SimpleX Chat Ltd review
Updated October 14, 2026 · ShieldCue Editorial Team
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Our verdict
SimpleX Chat Ltd develops the SimpleX messaging network and software for messaging and audio/video calls. Connections can be started by link or QR code, and the provider describes contacts and groups as stored on the user's device; this architecture description is not an independently verified security guarantee.
Key facts
- Best for
- People comparing a messaging app with link or QR connections and user-run server options.
- No-logs audit
- Trail of Bits 2022 (Source, checked September 26, 2026)
- Jurisdiction
- GB (Source, checked September 26, 2026)
- Protocols
- SMP, XFTP, SimpleX Chat protocol, WebRTC (Source, checked September 26, 2026)
- Features
- Multi-hop (Source, checked September 26, 2026)
- Platforms
- Android, iOS, Windows, MacOS, Linux, Terminal (console) app (Source, checked September 26, 2026)
- Owner
- SimpleX Chat Ltd (Source, checked September 26, 2026)
- Legal entity
- SimpleX Chat Ltd (Source, checked September 26, 2026)
- Headquarters
- United Kingdom (Source, checked September 26, 2026)
- Founded
- 2021 (Source, checked September 26, 2026)
- Support channels
- Email, Chat, Help-centre, Community (Source, checked September 26, 2026)
- Features
- No logs
- Audience
- Business
- Pricing model
- Free
- Official website
- simplex.chat
Privacy tools
- Free plan
- Yes (Source, checked September 26, 2026)
- Platforms
- Android, iOS, Windows, MacOS, Linux, Terminal (console) app (Source, checked September 26, 2026)
- Protocols
- SMP, XFTP, SimpleX Chat protocol, WebRTC (Source, checked September 26, 2026)
- Logging policy
- Preset servers do not log IP addresses of the user devices that connect to them; messages are irreversibly removed from preset relay servers as soon as delivered or after 21 days; files kept 48 hours on preset file servers; only aggregate statistics collected. (Source, checked September 26, 2026)
- Jurisdiction
- GB (Source, checked September 26, 2026)
- Open source
- Yes (Source, checked September 26, 2026)
- Legal entity
- SimpleX Chat Ltd (Source, checked September 26, 2026)
- Headquarters
- United Kingdom (Source, checked September 26, 2026)
- Founded
- 2021 (Source, checked September 26, 2026)
- Support channels
- Email, Chat, Help-centre, Community (Source, checked September 26, 2026)
- Pricing model
- Free
Apps and profiles
- Get the app
- App StoreGoogle Play
Pros and cons
Pros
- Connections can be established through a link or QR code.
Cons
- Local-storage and network-design statements are not independently verified security assurances.
Who it suits
- People comparing a messaging app with link or QR connections and user-run server options.
Who should look elsewhere
- Users seeking a security guarantee based solely on architecture descriptions.
Connections and network architecture
SimpleX supports link or QR connections for messaging and calls, describes local contact/group storage and allows users or operators to run servers.
How SimpleX Chat Ltd compares
Where SimpleX Chat Ltd is available
- Available
- Everywhere except Belarus, Cuba, Iran, North Korea, Russia, Syria
Countries from the brand (Source, checked September 26, 2026)
Frequently asked questions
Which platforms does SimpleX Chat Ltd support?+
SimpleX Chat Ltd supports Android, iOS, Windows, MacOS, Linux, Terminal (console) app. (Source, checked September 26, 2026)
Which company operates SimpleX Chat Ltd?+
SimpleX Chat Ltd is operated by SimpleX Chat Ltd. (Source, checked September 26, 2026)
Where is SimpleX Chat Ltd based?+
SimpleX Chat Ltd is based in United Kingdom. (Source, checked September 26, 2026)
When was SimpleX Chat Ltd founded?+
SimpleX Chat Ltd was founded in 2021. (Source, checked September 26, 2026)
How can I contact SimpleX Chat Ltd support?+
SimpleX Chat Ltd offers support through Email, Chat, Help-centre, Community. (Source, checked September 26, 2026)
Sources
- en.wikipedia.org/wiki/SimpleX_Chat checked September 26, 2026
Backs: Founded, Pricing model
“The project began full-time development in 2021”
- simplex.chat/about checked September 26, 2026
Backs: Owner
“SimpleX Chat Ltd is a company founded to develop SimpleX network and software.”
- simplex.chat/docs/business.html checked September 26, 2026
Backs: Audience
“Communicate with customers via business address”
- simplex.chat/docs/simplex.html checked September 26, 2026
Backs: Protocols
“Proposed stack of protocols solves these problems by making both messages and contacts stored only on client devices”
- simplex.chat/downloads checked September 26, 2026
Backs: Free plan, Platforms
“You can get the latest beta releases from GitHub.”
- simplex.chat/faq checked September 26, 2026
Backs: Features
“Private message routing is, effectively, a two-hop onion packet routing.”
- simplex.chat/privacy checked September 26, 2026
Backs: Features, Headquarters, Jurisdiction, Legal entity, No-logs audit, Support channels
“Preset servers do not log IP addresses of the user devices that connect to them.”
- simplex.chat/privacy checked September 26, 2026
Backs: Logging policy, Open source
“Preset servers do not log IP addresses of the user devices that connect to them.”
Compiled from 8 source pages, checked October 14, 2026. We did not open an account.
Not confirmed yet: Monthly price, Long-term plan price, Devices, Server countries.
Related by the facts
SimpleX Chat Ltd
People comparing a messaging app with link or QR connections and user-run server options.